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# The language of Graphs - Presentation

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El lenguage de gráficos, presentación para alumnos de primer curso de la ESO. The language of graphs presentation for students of the first year.

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### The language of Graphs - Presentation

1. 1. The language of graphs Mathematics. 1st Year Secondary Education
2. 2. You know…  Cartesian coordinate system x-axis: horizontal y-axis: vertical Origin: point (o,o)  To plot points on a graph P (3,5): “ordered pair” (3 units to the right, and 5 units up)  To plot the graph of a function y = 2x + 1
3. 3. “You have to be able to understand the qualitative meaning of a graph” “Let’s practice together…”
4. 4. Hamilton Alonso Vettel Podiums World Championships Podiums WorldChampionships A H V “Who has more Podiums?” “Who has won more World Championships?” H: Hamilton A: Alonso V: Vettel
5. 5. Hamilton Alonso Vettel Podiums World Championships Podiums WorldChampionships A H V “Who has more Podiums?” ALONSO “Who has won more World Championships?” VETTEL H: Hamilton A: Alonso V: Vettel
6. 6. Hamilton Alonso Vettel Podiums 56 95 64 World Championships 1 2 4 Podiums WorldChampionships A H V “Who has more Podiums?” ALONSO “Who has won more World Championships?” VETTEL H: Hamilton A: Alonso V: Vettel
7. 7. 1. The Bus Stop Queue Point 7 represents…
8. 8. 1. The Bus Stop Queue Point 7 represents Gavin “He is the shortest and youngest person” 7
9. 9. 1. The Bus Stop Queue Point 6 represents… 7
10. 10. 1. The Bus Stop Queue Point 6 represents Cathy “She is taller than Gavin but shorter than the rest of the people” 7 6
11. 11. 1. The Bus Stop Queue Points 2 and 5 represent… 7 6
12. 12. 1. The Bus Stop Queue Points 2 and 5 represent Alice or Errol “They are the tallest” Point 2 represents… 7 6
13. 13. 1. The Bus Stop Queue Points 2 and 5 represent Alice or Errol “They are the tallest” Point 2 represents Alice “She is one of the tallest and older than Errol” So point 5 represents… 7 62
14. 14. 1. The Bus Stop Queue Points 2 and 5 represent Alice or Errol “They are the tallest” Point 2 represents Alice “She is one of the tallest and older than Errol” So point 5 represents Errol “He is one of the tallest and younger than Alice” 7 62 5
15. 15. 1. The Bus Stop Queue Point 3 represents… 7 62 5
16. 16. 1. The Bus Stop Queue Point 3 represents Freda “She is shorter than Alice and Errol but taller than the rest of the people” 7 62 25
17. 17. 1. The Bus Stop Queue Points 1 and 4 represent… 7 62 5 2
18. 18. 1. The Bus Stop Queue Points 1 and 4 represent Brendaor Dennis “They have the same height” Point 1 represents… 7 62 5 2
19. 19. 1. The Bus Stop Queue Points 1 and 4 represent Brenda or Dennis “They have the same height” Point 1 represents Dennis “He is older than Brenda” So point 4 represents… 7 62 5 21
20. 20. 1. The Bus Stop Queue Points 1 and 4 represent Brenda or Dennis “They have the same height” Point 1 represents Dennis “He is older than Brenda” So point 4 represents Brenda “She is younger than Dennis” 7 62 5 214
21. 21. 1. The Bus Stop Queue 7 62 5 214
22. 22. 2. Planes A (Dusty) B (Siddeley)
23. 23. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B
24. 24. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive than airplane A
25. 25. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive tan airplane A  The older airplane is cheaper
26. 26. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive tan airplane A  The older airplane is cheaper
27. 27. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive tan airplane A  The older airplane is cheaper  The faster airplane is smaller
28. 28. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive tan airplane A  The older airplane is cheaper  The faster airplane is smaller
29. 29. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive tan airplane A  The older airplane is cheaper  The faster airplane is smaller  The larger airplane is older
30. 30. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive tan airplane A  The older airplane is cheaper  The faster airplane is smaller  The larger airplane is older
31. 31. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive tan airplane A  The older airplane is cheaper  The faster airplane is smaller  The larger airplane is older  The cheaper airplane carries fewer passengers
32. 32. 2. Planes A (Dusty) B (Siddeley)  Airplane A is older than airplane B  Airplane B is more expensive tan airplane A  The older airplane is cheaper  The faster airplane is smaller  The larger airplane is older  The cheaper airplane carries fewer passengers
33. 33. 2. Planes A (Dusty) B (Siddeley)
34. 34. 3. Which Graph? The 100 metres race. The men's world record is 9.58 seconds, set by Usain Bolt 0,00 2,00 4,00 6,00 8,00 10,00 12,00 0 50 100 150SPEED DISTANCE GRAPH 3 0 2 4 6 8 10 12 0 50 100 150 SPEED DISTANCE GRAPH 1 0 2 4 6 8 10 12 0 50 100 150 SPEED DISTANCE GRAPH 2
35. 35. 0,00 2,00 4,00 6,00 8,00 10,00 12,00 0 20 40 60 80 100 120 140 SPEED DISTANCE GRAPH 3 3. Which Graph?
36. 36. To sum up… Graphsare very useful to draw conclusionsfrom different set of data and to find if there is a correlation between them. http://www.nytimes.com/interactive/2012/08/05/sports/olympics/the-100-meter-dash-one-race-every-medalist-ever.html?_r=0
37. 37. The language of graphs Mathematics. 1st Year Secondary Education